Home / 486,454.17-671,255.82-282,465.33

Finding the Fourth Proportional to 486,454.17, 671,255.82 and 282,465.33

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Solution

The fourth proportional to 486,454.17, 671,255.82 and 282,465.33 is: 389,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,454.17 : 671,255.82 = 282,465.33 : x
  2. Step 2: Convert to fraction form
    486,454.17/671,255.82 = 282,465.33/x
  3. Step 3: Cross multiply
    486,454.17x = 671,255.82 × 282,465.33
  4. Step 4: Simplify right side
    486,454.17x = 189,606,496,710.72
  5. Step 5: Solve for x
    x = 189,606,496,710.72/486,454.17
  6. Step 6: Final answer
    x = 389,772.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.